Question

the number of buses in operation increases from 1000 to 1420. Find the percentage increase in the number of buses in operation
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Answer 1

Answer:

[tex]let \: the \: \% \: inc.be \: x \: \\ 1000 /100 \: x \: = 1420 \\ x = 1420/10 \\ x = 142 \\ therefore\% \: inc. = 142 - 100 \\ = 42 \: therefore \: the \: \% \: inc \: of \: no. \: of \: buses = 42 \: \\ \\ \\ \\ \\ \\ \\ \\